// Copyright 2019 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "dawn/native/ResourceMemoryAllocation.h"
#include "dawn/common/Assert.h"

namespace dawn::native {

ResourceMemoryAllocation::ResourceMemoryAllocation()
    : mOffset(0), mResourceHeap(nullptr), mMappedPointer(nullptr) {}

ResourceMemoryAllocation::ResourceMemoryAllocation(const AllocationInfo& info,
                                                   uint64_t offset,
                                                   ResourceHeapBase* resourceHeap,
                                                   uint8_t* mappedPointer)
    : mInfo(info), mOffset(offset), mResourceHeap(resourceHeap), mMappedPointer(mappedPointer) {}

ResourceHeapBase* ResourceMemoryAllocation::GetResourceHeap() const {
    ASSERT(mInfo.mMethod != AllocationMethod::kInvalid);
    return mResourceHeap;
}

uint64_t ResourceMemoryAllocation::GetOffset() const {
    ASSERT(mInfo.mMethod != AllocationMethod::kInvalid);
    return mOffset;
}

AllocationInfo ResourceMemoryAllocation::GetInfo() const {
    return mInfo;
}

uint8_t* ResourceMemoryAllocation::GetMappedPointer() const {
    return mMappedPointer;
}

void ResourceMemoryAllocation::Invalidate() {
    mResourceHeap = nullptr;
    mInfo = {};
}
}  // namespace dawn::native
